virtual serial port com0com alternative
Popular
Trial   
6

Virtual Serial Port Driver is a Сom0com null modem emulator by Eltima Software. It creates virtual COM ports on a PC and pairs them.

vmware player

VMware Player

 6.0.7
Trial   

Open another computer into your own computer

wincdemu

WinCDEmu

 3.6
Free (Open Source)   
1

This is a free application for creating virtual units.